BXW Models

Features of BXW Models

A total of four types are available: three types with the same dimensions but different load torques and one type with specifications and dimensions matched to compact servo motors [ ]40, [ ]60, and [ ]80.Select the one that best matches your application and life cycle. All types satisfy the rated torque values from the initial use, so the customer does not need to break them in.

*The armature pull-in time and armature release time are taken during DC switching.

[Specifications] BXW-□-□H (Holding and braking use)

Model

Size

Static friction torque Ts [N･m]

Coil (at 20℃)

Heat resistance class

Lead wire

Max. rotation speed ［min-1］

Rotating part moment of inertia J ［kg・m2］

Allowable braking energy rate Pbaℓ ［W］

Total braking energy ET ［J］

Armature pull-in time ta ［s］

Armature release time tar ［s］

Mass ［kg］

Voltage ［V］

Wattage ［W］

Current ［A］

Resistance ［Ω］

UL style

Size

BXW-01-10H

01

0.24

12

5.0

0.417

28.8

F

UL3398

AWG26

5000

0.6×10-6

0.5

0.2×106

0.010

0.010

0.2

24

5.0

0.208

115

F

45

5.0

0.111

405

F

90

5.0

0.056

1622

F

180

5.0

0.028

6486

F

BXW-02-10H

02

0.50

12

6.6

0.550

21.8

F

UL3398

AWG26

5000

1.9×10-6

1.0

0.3×106

0.010

0.010

0.3

24

6.6

0.275

87.3

F

45

6.6

0.147

307

F

90

6.6

0.073

1228

F

180

6.6

0.037

4912

F

BXW-02-12H

02

0.50

12

6.6

0.550

21.8

F

UL3398

AWG26

5000

1.9×10-6

1.0

0.3×106

0.010

0.010

0.3

24

6.6

0.275

87.3

F

45

6.6

0.147

307

F

90

6.6

0.073

1228

F

180

6.6

0.037

4912

F

BXW-03-10H

03

1.00

12

9.0

0.750

16.0

F

UL3398

AWG26

5000

3.8×10-6

2.0

0.5×106

0.035

0.020

0.4

24

9.0

0.375

64.0

F

45

8.2

0.182

247

F

90

8.2

0.091

988

F

180

8.2

0.046

3954

F

BXW-03-12H

03

1.00

12

9.0

0.750

16.0

F

UL3398

AWG26

5000

3.8×10-6

2.0

0.5×106

0.035

0.020

0.4

24

9.0

0.375

64.0

F

45

8.2

0.182

247

F

90

8.2

0.091

988

F

180

8.2

0.046

3954

F

BXW-04-10H

04

2.00

12

11.5

0.958

12.5

F

UL3398

AWG22

5000

12.0×10-6

4.0

1.0×106

0.040

0.025

0.6

24

11.5

0.479

50.1

F

45

10.0

0.222

203

F

90

10.0

0.111

810

F

180

10.0

0.056

3241

F

BXW-04-12H

04

2.00

12

11.5

0.958

12.5

F

UL3398

AWG22

5000

12.0×10-6

4.0

1.0×106

0.040

0.025

0.6

24

11.5

0.479

50.1

F

45

10.0

0.222

203

F

90

10.0

0.111

810

F

180

10.0

0.056

3241

F

BXW-05-10H

05

4.00

12

13.0

1.083

11.1

F

UL3398

AWG22

5000

23.0×10-6

6.0

2.0×106

0.045

0.030

0.8

24

13.0

0.542

44.3

F

45

13.0

0.289

156

F

90

13.0

0.144

623

F

180

13.0

0.072

2492

F

BXW-05-12H

05

4.00

12

13.0

1.083

11.1

F

UL3398

AWG22

5000

23.0×10-6

6.0

2.0×106

0.045

0.030

0.8

24

13.0

0.542

44.3

F

45

13.0

0.289

156

F

90

13.0

0.144

623

F

180

13.0

0.072

2492

F

*The armature pull-in time and armature release time are measured during DC switching.

[Specifications] BXW-□-□S (Holding uses)

Model

Size

Static friction torque Ts [N･m]

Coil (at 20℃)

Heat resistance class

Lead wire

Max. rotation speed ［min-1］

Rotating part moment of inertia J ［kg・m2］

Allowable braking energy rate Pbaℓ ［W］

Total braking energy ET ［J］

Armature pull-in time ta ［s］

Armature release time tar ［s］

Mass ［kg］

Voltage ［V］

Wattage ［W］

Current ［A］

Resistance ［Ω］

UL style

Size

BXW-01-10S

01

0.36

24

5.0

0.208

115

F

UL3398

AWG26

5000

0.6×10－6

－

－

0.025

0.010

0.2

BXW-02-10S

02

0.75

24

6.6

0.275

87.3

F

UL3398

AWG26

5000

1.9×10-6

－

－

0.030

0.010

0.3

BXW-02-12S

02

0.75

24

6.6

0.275

87.3

F

UL3398

AWG26

5000

1.9×10-6

－

－

0.030

0.010

0.3

BXW-03-10S

03

1.50

24

9.0

0.375

64.0

F

UL3398

AWG26

5000

3.8×10-6

－

－

0.035

0.020

0.4

BXW-03-12S

03

1.50

24

9.0

0.375

64.0

F

UL3398

AWG26

5000

3.8×10-6

－

－

0.035

0.020

0.4

BXW-04-10S

04

2.60

24

11.5

0.479

50.1

F

UL3398

AWG22

5000

12.0×10-6

－

－

0.040

0.025

0.6

BXW-04-12S

04

2.60

24

11.5

0.479

50.1

F

UL3398

AWG22

5000

12.0×10-6

－

－

0.040

0.025

0.6

BXW-05-10S

05

5.20

24

13.0

0.542

44.3

F

UL3398

AWG22

5000

23.0×10-6

－

－

0.045

0.030

0.8

BXW-05-12S

05

5.20

24

13.0

0.542

44.3

F

UL3398

AWG22

5000

23.0×10-6

－

－

0.045

0.030

0.8

*The armature pull-in time and armature release time are taken during DC switching.

[Dimensions]

Unit ［mm］

Size

Radial direction dimensions

Axial direction dimentions

Bore dimensions

A

B

C

D

E

S

V

R

F

W

m

O

P

Q

U

G

I

J

K

L

N

a

d

b

01

37

32

18

13.5

12.0

6

3

3

10

M3

－

－

－

－

4.5

5.0

22.5

31.5

9

22.5

0.10

5

－

－

6

－

－

02

47

40

21

16.0

14.5

7

3.4

3.4

12

M3

9

50

13

51

6.0

5.5

19.2

31.2

12

20.0

0.10

6

－

－

7

－

－

03

56

48

24

19.0

17.0

7

3.4

3.4

14

M3

11

60

15

60

6.0

6.0

19.9

31.9

12

20.0

0.15

8

－

－

04

65

58

35

24.0

22.0

7

3.4

3.4

18

M4

12

70

15

70

7.0

7.0

19.9

33.9

14

21.0

0.15

10

3

1.2

05

75

66

36

28.0

26.5

9

4.5

4.5

22

M4

14

80

20

80

7.0

7.0

22.1

36.1

14

21.5

0.15

12

4

1.5

*There is no release lever option for size #01.

BXW-□-□R Types

[Specifications] For servo motors

Model

Size

Static friction torque Ts ［N・m］

Coil (at 20℃)

Heat resistance class

Lead wire

Max. rotation speed ［min-1］

Rotating part moment of inertia J ［kg・m2］

Allowable braking energy rate Ebaℓ ［J］

Total braking energy ET ［J］

Armature pull-in time ta ［s］

Armature release time tar ［s］

Mass ［kg］

Voltage ［V］

Wattage ［W］

Current ［A］

Resistance ［Ω］

UL style

Size

BXW-01-10R

01

0.3

24

6.1

0.254

94.4

F

UL3398

AWG26

6000

1.36×10-7

15

3000

0.035

0.020

0.1

BXW-03-10R

03

1.3

24

7.2

0.300

80.0

F

UL3398

AWG22

6000

1.17×10-6

87

17000

0.050

0.020

0.3

BXW-05-10R

05

2.5

24

8.0

0.333

72.0

F

UL3398

AWG22

6000

3.68×10-6

200

40000

0.060

0.020

0.5

*The armature pull-in time and armature release time are taken during DC switching.

[Dimensions]

Unit ［mm］

Size

Radial direction dimensions

Axial direction dimentions

Bore dimensions

A

B

C

D

E

S

V

R

F

G

H

I

J

K

L

N

a

d

d max

01

33

26.5

16

9

14

7

3.4

32.5

12

0.2

4

19

26

30

4

22.8

0.1

8.5

8.5

03

48

42

26

14

23

8

3.4

47.5

19

0.2

4

18

26

30

4

22.6

0.1

11

15

05

64

56

28

22

31

8

4.5

63.5

25

0.2

4

16

25.5

30

4.5

21.3

0.1

16

20

*Bore diameters other than the standard bore diameters given above are also possible. d max indicates the maximum bore diameter with a round shaft.

*In addition to round bores, key processing can also be handled. Consult Miki Pulley for details.

*Dimensions, mounting and the like are not interchangeable with other BXW models.

Options of BXW Models

Dust Covers

There are dust covers available as optional parts. These dust covers can be used to prevent dust and other foreign particles from entering into the parts, enabling the unit to be used in harsher work environments. There are two types of dust covers to choose from, one without bores drilled into it for the shaft through-holes that can be used to provide full cover and one with bores drilled into it for the shaft through-holes that can be used with the shaft inserted into the brake. There are also options for the positions of lead wire connecting bores, using either a plate-mounting position or a stator-mounting position for mounting the brake.

[Specifications]

Material

Ethylene propylene diene monomer (EPDM) rubber

Temperature range

-40°C to +140°C

Exterior color

Black

Applicable brake models

L type, H type, S type BXW models

Applicable brake sizes

#01, #02, #03, #04, #05

Applicable specification voltages

12 V DC, 24 V DC, 45 V DC, 90 V DC 180 V DC

*The temperature range listed is for the dust cover material. The overall operating temperature range for BXW models is from -10°C to +40°C.

*This part cannot be used with BXW models that come with release levers and R type BXW models.

Dimensions

Type No.

a

b

c

01

×

×

×

02

×

×

○

03

×

○

×

04

○

×

×

05

○

×

○

06

○

○

×

Unit (mm)

Model

⌀A

B

⌀d

BXW-01-C □

41

33

16

BXW-02-C □

51

33

21

BXW-03-C □

60

33.5

24

BXW-04-C □

69

35.5

30

BXW-05-C □

79

37.5

30

*The "a" symbol in the drawings is used to indicate parts with drilled bores for inserting shafts, the "b" symbol for parts with drilled bores for connecting lead wires for mounted plates, and the "c" symbol for parts with drilled bores for connecting lead wires for mounted stators.

*Types no. 01 and 04 will need to have separate bores drilled into them for connecting lead wires.